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Case Reports
. 2022 Jan 27;15(1):e8.
doi: 10.12786/bn.2022.15.e8. eCollection 2022 Mar.

Transient Anarthria in a Patient With Non-Dominant Hemispheric Lesion: A Case Report

Yu Jin Im  1 , Jihong Choi  1 , Yun-Hee Kim  1   2 , Won Hyuk Chang  1
Affiliations
Case Reports

Transient Anarthria in a Patient With Non-Dominant Hemispheric Lesion: A Case Report

Yu Jin Im et al. Brain Neurorehabil. .

Abstract

Anarthria is a complete loss of speech. It usually results from lesions in bilateral neural substrates that control articulation. Recently, lateralized cortical control of speech articulation in the dominant hemisphere has been reported. However, anarthria by non-dominant hemispheric lesion has not been reported yet. Here we report a rare case of transient anarthria caused by right hemispheric infarction after brain surgery in a right-handed patient. This report suggests that anarthria could be caused by a lesion not related to language lateralization. This report is expected to contribute to studies on neural correlates of anarthria lesions.

Keywords: Anarthria; Articulation; Corticobulbar Tract; Dysarthria; Non-Dominant Hemisphere.

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Conflict of interest statement

Conflict of Interest: The Corresponding author of this manuscript is an editor of Brain & NeuroRehabilitation. The Corresponding author did not engage in any part of the review and decision-making process for this manuscript. The other authors have no potential conflicts of interest to disclose.

Figures

Fig. 1
Fig. 1. Pre-operative brain magnetic resonance imaging findings. Axial T2 fluid attenuated inversion recovery image (A) showing a 5.7-cm sized meningioma in the right frontoparietal lobe (arrow) with a peritumoral cerebral edema causing midline shifting. Coronal T2 turbo spin echo image (B) of the meningioma (arrow) is shown.
Rt., right; Lt., left.
Fig. 2
Fig. 2. Post-operative brain magnetic resonance imaging image showing an acute ischemic lesion in the medial margin of the tumorectomy site. (A-C) are axial DWI. (D-F) are axial ADC images. (G-I) are axial T2 FLAIR images. A high signal intensity lesion (white arrowhead) in the precentral gyrus (white arrow is central sulcus) on the DWI (B) and corresponding low values (black arrow) in ADC image (E) are shown. T2 FLAIR images (G-I) showing remnant peritumoral cerebral edema involving white matters adjacent to genu of corpus callosum in the right frontoparietal lobe with midline shifting (white arrow).
Rt., right; Lt., left; DWI, diffusion weighted images; ADC, apparent diffusion coefficient; FLAIR, fluid attenuated inversion recovery.
Fig. 3
Fig. 3. Post-operative acute infarction lesion in the primary motor cortex of the face region (white dashed circle) and correlates with coronal T1 fat suppression gradient echo image of brain magnetic resonance imaging.
Rt., right; Lt., left.
Fig. 4
Fig. 4. Axial brain computed tomography scan images at 24 days after surgery. The extent of cerebral edema in white matters of the right hemisphere and the amount of midline shift are decreased.
Rt., right; Lt., left.
See this image and copyright information in PMC

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